The Smart Card sle4442 Contact Chip Secure Memory Card is one of the most popular “Smart Memory Cards” in the world. This chip includes an intelligent 256-Byte EEPROM with Write Protect Function and Programmable Security Code (PSC). This chip contains and EEPROM organized 1024 x 8 bit offering the possibility of programmable write protection for each byte. Reading of the whole memory is always possible. The memory of Smart Card sle4442 Contact Chip can be written and erased byte by byte .

We supply blank SLE4442 cards and SLE4442 pre-printed card.


  • Synchronous communication protocol, ISO 7816 compatible

EEPROM size is 256 bytes split into the following areas:

  • 26 bytes for card manufacturer data
  • 2 bytes for card issuer reference
  • 4 bytes for card identification data
  • 224 bytes for main user data
    – Access to the memory is protected by a 3 byte secret code for data write only
    – Free Read of Data (except PIN)
    – Answer to reset according to ISO 7816/3 standard
    – Data retention is up to 10 years
    – Non reversible byte-wise write protection of lowest 32 addresses (byte 0 ?31)
    – 20 degree C + 50 C operating range


    • Access control
    • Staff attendance
    • Transport payment
    • Personal identification


Click one of our contacts below to chat on WhatsApp

× How can I help you?
Smart Card sle4442 Contact Chip
Smart Card sle4442 Contact Chip Secure Memory Card

In stock